Finding the Fourth Proportional to 837,280.06, 1,155,411.59 and 474,728.42

Step by Step Solution

1. Step 1: Write the proportion equation
   837,280.06 : 1,155,411.59 = 474,728.42 : x
2. Step 2: Convert to fraction form
   837,280.06/1,155,411.59 = 474,728.42/x
3. Step 3: Cross multiply
   837,280.06x = 1,155,411.59 × 474,728.42
4. Step 4: Simplify right side
   837,280.06x = 548,506,712,793.33
5. Step 5: Solve for x
   x = 548,506,712,793.33/837,280.06
6. Step 6: Final answer
   x = 655,105.43